简单的备份文件脚本
最近工作中要负责做系统备份和恢复模块，用shell脚本实现。开始学习一下linux shell编程。以下代码检测是否是合法用户，然后将源文件复制到备份目录
#工作目录MYHOME=/usr/kyfxbl#检测用户名USER_ID=`id|grep root`if [ "$USER_ID" = "" ]thenecho "wrong user"exit 1fi#检测参数个数if [ $# -ne 1 ]thenecho "wrong parameter"exit 1fi#备份目录BACKUP_DIRECTORY=/user/kyfxbl/backup/$1#目标目录APP_DIRECTORY=/usr/kyfxbl/tomcat/webapps/xkglow/WEB-INF#日志文件LOGFILE=/usr/kyfxbl/log_file/log#检查文件是否存在if [ -e $APP_DIRECTORY/web.xml ]thenmkdir "$BACKUP_DIRECTORY"cp $APP_DIRECTORY/web.xml $BACKUP_DIRECTORY 1>>$LOGFILEelseecho "file not exist"echo $APP_DIRECTORY/web.xmlexit 1fi#成功结果echo "backup succeed"
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